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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Hi!<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Can this code section from chan_sip.c (begin at line
14920) cause deadlocks if any error occurs between the mutex lock for iflock?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>--- snip ---<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:black'>
</span></font><font size=2 color="#3f7f5f" face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New";color:#3F7F5F'>/* Check for
interfaces needing to be killed */</span></font><font size=2 face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:black'>
ast_mutex_lock(&iflock);</span></font><font size=2 face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:black'>restartsearch:
</span></font><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:black'>
t = time(</span></font><b><font size=2 color="#7f0055" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#7F0055;
font-weight:bold'>NULL</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>);</span></font><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:black'>
</span></font><font size=2 color="#3f7f5f" face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New";color:#3F7F5F'>/* don't scan
the interface list if it hasn't been a reasonable period</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#3f7f5f" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#3F7F5F'>
of time since the last time we did it (when MWI is being sent, we
can</span></font><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#3f7f5f" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#3F7F5F'>
get back to this point every millisecond or less)</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#3f7f5f" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#3F7F5F'>
*/</span></font><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:black'>
</span></font><b><font size=2 color="#7f0055" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#7F0055;
font-weight:bold'>for</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> (sip = iflist; !fastrestart && sip; sip = sip->next) {<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:black'> …</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:black'>
}</span></font><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:black'>
ast_mutex_unlock(&iflock);</span></font><font size=2 face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>--- snip ---<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;font-weight:bold'>Asterisk log:<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>--- snip ---<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11927]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: chan_sip.c line 4303
(sip_alloc): Deadlock? waited 5 sec for mutex '<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&iflock'?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11927]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: chan_sip.c line 14920
(do_monitor): '&iflock' was locked here.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11942]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: pbx.c line 2105
(ast_extension_state_del): Deadlock? waited 5 sec fo<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>r mutex '&(&hints)->lock'?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11942]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: pbx.c line 1982
(ast_hint_state_changed): '&(&hints)->lock' was lock<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>ed here.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11927]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: chan_sip.c line 4303
(sip_alloc): Deadlock? waited 5 sec for mutex '<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&iflock'?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11927]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: chan_sip.c line 14920
(do_monitor): '&iflock' was locked here.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11942]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: pbx.c line 2105
(ast_extension_state_del): Deadlock? waited 5 sec fo<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>r mutex '&(&hints)->lock'?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11942]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: pbx.c line 1982
(ast_hint_state_changed): '&(&hints)->lock' was lock<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>ed here.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11927]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: chan_sip.c line 4303
(sip_alloc): Deadlock? waited 5 sec for mutex '<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&iflock'?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11927]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: chan_sip.c line 14920
(do_monitor): '&iflock' was locked here.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11942]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: pbx.c line 2105
(ast_extension_state_del): Deadlock? waited 5 sec fo<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>r mutex '&(&hints)->lock'?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>[Mar 16 12:31:18] ERROR[11942]
/usr/src/asterisk/asterisk-1.4.1/include/asterisk/lock.h: pbx.c line 1982
(ast_hint_state_changed): '&(&hints)->lock' was lock<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>ed here.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>--- snip ---<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Cheers</span></font><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-GB
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Harald</span></font><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>-------</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Teamware GmbH<br>
Stahlgruberring 11, D-81829 München<br>
Registergericht München, HRB 104293<br>
Geschäftsführer: Dr.-Ing. Thomas Kupec, Armin Sperber<o:p></o:p></span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Telefon:
089-427 005.15<br>
E-Mail: <a href="mailto:hra@tmwr.de">hra@tmwr.de</a><br>
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